Placosaris arjunoalis Munroe & Muutura
- Family: Crambidae
- Subfamily: Pyraustinae
- Genus: Placosaris
- Distribution: Sabah, Indonesia (Bali, Java).
- Habitat: Lowland forest including youmg disurbed forest & adjacent cultivated areas to lower montane <1500m
- Wing Length: 9mm
Taxonomy
The holotype of Placosaris arjunoalis Munroe & Mutuura, 1970: 1499-1500, figs 6, 18, 23 is from Java (Arjuno).
Description
A dull brown sp. FW with a dark brown, serrate, curving post-median line which is also present on the HW. The underside is a pale yellow-brown, making the lines more distinct. Placosaris sp. 3 may be this sp. See RTS (1994: 179-80).

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References
- [RTS] Robinson, G.S., Tuck, K.R. & Shaffer, M. (1994) A Field Guide to the Smaller Moths of South-East Asia, Malaysian Nature Society Kuala Lumpur & Natural History Museum, London, 311 pp. 51 text figs, 32 pls.
- Munroe, E. G. & Mutuura, A (1970a) Can. Ent. (Ottawa), Contributions to a Study of the Pyraustinae (Lepidoptera: Pyralidae) of Temperate East Asia. IX., Can. Ent. (Ottawa), 102: 294-304.

